National Astronomical Observatory of Japan

Discovery of the Most Metal-deficient Star Ever Found: Studying Nucleosynthesis Signatures of the First Stars

| Science

An international team of astronomers reports the discovery of a star, HE1327-2326, which sets a new record for being the most heavy element-deficient star ever found.

Its chemical composition, as measured with the Subaru Telescope High Dispersion Spectrograph, provides evidence of nucleosynthesis by the first generations of stars in the universe, and places new constraints on their masses and metal enrichment history in the very early universe.


More info: Subaru telescope web page